(portrayed by Ella) - 18 years old and energetic. 

Rui Xin, who has great genes for sports, grew up in the States.  Three years ago, she accidentally sees Zuo Ye Quan’s high jump performance on TV.  From then on, she starts to worship Quan.  In order to understand more about the person that she adores, she transfers to Ying Kai Boarding School from the States.  Because Ying Kai School, where Quan studies, is an all-boys’ school, Rui Xin still hides her real gender and disguises herself as a boy to stay by Quan’s side.  At the present time, she is staying in the same dorm room as Quan.  After Rui Xin truly starts getting close to Quan, her feelings for Quan gradually turn from adoration to love.  However, how should she confess her feelings to Quan when she is supposed to be masquerading as a boy??

(portrayed by Wu Zun) – 18 years old.  

Rui Xin’s roommate.  A member in the track and field team who treats people indifferently.  Quan, who was injured due to a car accident during Junior High School, gave up on his beloved sport of high jump after entering into High School.  He meets Rui Xin, who returns from the States, and was touched by her never give up attitude so he once again sets foot back into high jumping.  Actually, Quan has found out that Rui Xin is a girl early on but because he wants to keep her by his side, therefore, he did not expose her identity.  Rui Xin’s careless and optimistic personality always gets her into the danger of having her identity exposed.  As a result, Quan, who is protecting her on the side, is always on his toes.  After the incident on campus, Quan finally confirms that he has fallen in love with Rui Xin.  Not knowing what Rui Xin’s true feelings are, Quan, who appears cold and indifferent, is worrying endlessly.  Besides, the fact that Rui Xin is popular with the guys, there is never a lack of pursuers by her side.  Such as:  Xiu Yi, Shi Jing Hang, etc.  Often it would cause Quan to feel nervous and jealous.  Their relationship of being roommates and good friends can no longer satisfy the longing that Quan feels within his heart.  Not willing to give Rui Xin over to anyone and only wanting to keep her by his side, this is what Quan is worrying about now.

(portrayed by Jiro Wang Dong Cheng) – 18 years old. 

A student that has worries because he has feelings for Rui Xin.  A member of the soccer team with a nickname as “small burning lion.”  Xiu Yi has liked soccer since he was a kid and has promised to see his good friend at the World Cup.  So that he would be easily recognized, he dyes his hair.  After meeting with Rui Xin, he starts having feelings for her due to her carelessness in revealing her feminine ways.  However, because Rui Xin is disguising himself as a boy, Xiu Yi starts to suspect that he is gay because he has feelings for a boy.  In order to escape from becoming a homosexual, Xiu Yi starts dating Chi Jun Li, who has confessed her feelings to him.  However, in the end, he is still not able to suppress his admiration for Rui Xin and chooses to break up with Jun Li.  Having confirmed his own feelings, Xiu Yi, Quan and Rui Xin gets into a love triangle.

(portrayed by Tang Yu Zhe) – 19 years old. 

One of the Heads of the dormitory at Ying Kai School and also the school’s number 1 playboy.  He has a handsome appearance, a gentle and sincere attitude and attracts quite a lot of girls.  However, Nan has had a very painful first love before.  It is also because of this painful love that causes him to keep his true feelings to himself and become a playboy.  Being the Head of the second dorm, Nan has certain powers.  He is good at uniting the students and can calmly analysis situations.  As a result, he has always had the support of the student body.

(portrayed by Ryan Tang Zhi Ping) – 28 years old. 

Ying Kai High School’s doctor and also Nan’s uncle.  Like Quan, he also knows about Rui Xin being a girl from early on.  Because Mei Tian really likes Rui Xin, he purposely helps her hide the truth and even writes a false diagnosis for her medical records.  Speaking with a caustic tone, Mei Tian is always the one that Rui Xin would go to for guidance and is someone she can depend on.  Whenever she has any problems, she would run to his second clinic to ask for help.  He is very good looking and sexually appealing.  Mei Tian is a homosexual and on the surface, he seems to be extremely flirtatious but actually, he has had a secret crush on his high school friend for a long time.

(portrayed by Zhang Hao Ming) – 19 years old. 

The Head of the first dorm and also the president of the Karate Club.  Nicknamed: The King.  Being the successor of the Karate Club, one can say that he is a karate freak.  His personality is both straight forward and simple.  He is well respected in the Karate Club and the first dorm.   Qi Qi, who is the manager of the student body over at Sheng Pu Luo Mu School, an all-girls’ school, is his fiancé.  However, being a bit shy, even though Tian Si really likes Qi Qi, but because he has never really told anyone about their real relationship, Qi Qi has often felt restless because of this.  Following this, Tian Si finally reveals their relationship to all before the Christmas party that is held by both Ying Kai School and Sheng Pu Luo Mu School.  This causes Qi Qi to be extremely happy. 

(portrayed by Andy Gong Ji An) – 19 years old. 

He is the Head of the third dorm at Ying Kai School and also the leader of the Drama Club.  Inborn nature of crazily in love with himself.  Often speaks in German to emphasize that his great grandfather was a German.  Because he loves to be beautiful, as a result, even if his eyesight is very bad, he refuses to wear eyeglasses.  He is a guy with a somewhat weird personality.  He has been in a fierce competition with Hua Yun Que, President of the student body and President of the Drama Club, from Sheng Pu Luo Mu School.

(portrayed by Duncan) – 28 years old. 

He is a bisexual photographer who is famous domestically and internationally.  Being an alumnus of Ying Kai, he has always had a crush on his senior, Mei Tian.  He accidentally sees Nan, Quan and Xiu Yi’s group photo on a magazine and he decides that they are very suitable to be his models for his new clothing commercial.  With a keen perception, he sees through to Rui Xin being a girl.  In order to reach his goal of getting Quan to be his model, Qiu Ye deliberately gets close to Rui Xin to get Quan jealous and he lets Quan know that he has figured out Rui Xin’s real identity as a girl.  To protect Rui Xin, Quan has no choice but to agree to be Qiu Ye’s model for the commercial.

(portrayed by Ethan Ruan Jing Tian) – 18 years old. 

Has been Quan’s high jump opponent since junior high school.  At the present, he is the high jump record holder at Quan Da Zhuan School.  He has always regarded Quan as his opponent.  When Quan gave up high jumping, Shen Le was very disappointed.  He constantly goes to Ying Kai School to challenge Quan and this causes Rui Xin to be very unhappy.  Later Quan returns to the high jumping world because of Rui Xin and Shen Le was very happy.  Yet this also causes him to believe that Quan is a homosexual.  Moreover, Shen Le’s family operates a temple, would he go and become a Buddhist monk??

(portrayed by Nissa) – 18 years old. 

Rui Xin’s good friend since elementary school.  She has always worried about this matter with Rui Xin dressing up as a boy because of Quan and attending Ying Kai School.  As a result, she takes the chance of studying aboard at Sheng Pu Luo Mu’s all-girls’ school to understand Rui Xin’s lifestyle.  Not only did she find out that Quan is secretly in love with Rui Xin, but she finds out that Quan has known that Rui Xin is a girl from early on.  After struggling with her conscience, in the end, she didn’t reveal the truth and returns to the States.  This is because she knows that Rui Xin is being protected and loved by many people at Ying Kai School.

(portrayed by Gao Yi Lin) – 25 years old. 

She is a reporter from the sports editorial “SPOT.”  She is a reporter that has been madly chasing after Quan for interviews ever since he was in junior high school.  When she finds out that Quan will be high jumping again, she immediately goes to Ying Kai School to interview Quan.  At Ying Kai School, she bumps into her enemy Mei Tian.  This causes her to chase after Rui Xin on one hand and evade from seeing Mei Tian on the other.  With a keen perception, she finds out about Quan and Rui Xin’s feelings for each other in the end.  Yet, like Shen Le, she also mistakes Quan and Rui Xin of being gay.

(portrayed by Joelle Lu Ming Jun) – 24 years old. 

Abby is a girl who is very serious about her job.  At the present, she is Yuan Qiu Ye’s assistant and her main job is to help the models with their make-up.  However, she used to be Qiu Ye’s ex-wife.  Tall and beautiful, Abby was originally a model.  Because of her job, she gets acquainted with Qiu Ye.  Because Qiu Ye is the first person who has treated her nicely without caring about her gender, she developed feelings for him and they later got married.  Yet, she gradually discovers that there is a wound in Qiu Ye’s heart that cannot be healed and in the end, she chooses to be divorced with him.

(portrayed by Xie Zheng Hao) – 18 years old.  Rui Xin’s classmate and a member of the track and field team.

(portrayed by Chen Wen Xiang) – 18 years old.  Rui Xin’s classmate and a member of the Manga Research Group.

(portrayed by Yang Hao Wei) – 18 years old. 

Nicknamed Yang Yang.  She calls herself the idol of the campus.  Yet ever since Rui Xin’s appearance, her popularity in school is on dangerous grounds.  She has a crush on the Head of the second dorm, Nan.  She originally regards Rui Xin as an enemy because Nan expresses care for Rui Xin.  Yet after Rui Xin explains that she has someone else that she has a crush on, the two of them becomes good friends.